Package: emacs;
Reported by: David Bremner <david <at> tethera.net>
Date: Wed, 3 Jan 2018 00:58:01 UTC
Severity: normal
Found in versions 25.2, 24.5
Fixed in versions 26.2, 27.1
Done: Glenn Morris <rgm <at> gnu.org>
Bug is archived. No further changes may be made.
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bug-gnu-emacs <at> gnu.org
:bug#29955
; Package emacs
.
(Wed, 03 Jan 2018 00:58:02 GMT) Full text and rfc822 format available.David Bremner <david <at> tethera.net>
:bug-gnu-emacs <at> gnu.org
.
(Wed, 03 Jan 2018 00:58:02 GMT) Full text and rfc822 format available.Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
From: David Bremner <david <at> tethera.net> To: bug-gnu-emacs <at> gnu.org Subject: 25.2; stale lock files can hang emacs --batch Date: Tue, 02 Jan 2018 20:56:46 -0400
tempdir=$(mktemp -d) echo working in $tempdir cd $tempdir touch foo ln -s user <at> example.com.5423:1487632643 .#foo emacs -Q --batch --eval "(add-hook 'kill-emacs-hook (lambda () (write-file \"foo\")))" This seems to put emacs into a bad state; I had to use kill -9 to kill it. If I just write the file directly, it still hangs, but it's interruptible with C-c. In practice this arose for a user using anything.el, and trying to batch byte-compile some elisp as root (as part of a system wide installation). The installation process hung hard. There's definitely some aspect of misconfiguration (the anything-el code should not have been active during the byte compilation), but it would be nice to be more robust against this kind of circumstance. Perhaps those questions about locks should automatically assume 'q' when running in batch mode? In GNU Emacs 25.2.2 (x86_64-pc-linux-gnu, GTK+ Version 3.22.20) of 2017-09-12, modified by Debian built on trouble Windowing system distributor 'The X.Org Foundation', version 11.0.11905000 System Description: Debian GNU/Linux testing (buster) Configured using: 'configure --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/lib --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes --enable-locallisppath=/etc/emacs25:/etc/emacs:/usr/local/share/emacs/25.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/25.2/site-lisp:/usr/share/emacs/site-lisp --with-sound=alsa --without-gconf --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/lib --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes --enable-locallisppath=/etc/emacs25:/etc/emacs:/usr/local/share/emacs/25.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/25.2/site-lisp:/usr/share/emacs/site-lisp --with-sound=alsa --without-gconf --with-x=yes --with-x-toolkit=gtk3 --with-toolkit-scroll-bars 'CFLAGS=-g -O2 -fdebug-prefix-map=/build/emacs25-XrMyQe/emacs25-25.2+1=. -fstack-protector-strong -Wformat -Werror=format-security -Wall' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro' Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 Important settings: value of $LANG: en_CA.UTF-8 locale-coding-system: utf-8-unix Major mode: Circe Channel Minor modes in effect: cursor-intangible-mode: t diff-auto-refine-mode: t tracking-mode: t shell-dirtrack-mode: t tooltip-mode: t global-eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Recent messages: Saving file /home/bremner/tmp/repro.sh... Wrote /home/bremner/tmp/repro.sh Saving file /home/bremner/tmp/repro.sh... Wrote /home/bremner/tmp/repro.sh Saving file /home/bremner/tmp/repro.sh... Wrote /home/bremner/tmp/repro.sh Quit command-execute: Command attempted to use minibuffer while in minibuffer Quit [3 times] Mark set [2 times] Quit Load-path shadows: /home/bremner/.emacs.d/elpa/counsel-0.9.1/counsel hides /home/bremner/.emacs.d/elpa/ivy-0.9.1/counsel /home/bremner/.emacs.d/elpa/swiper-0.9.1/swiper hides /home/bremner/.emacs.d/elpa/ivy-0.9.1/swiper /usr/share/emacs/25.2/site-lisp/elpa/jabber-0.8.92/fsm hides /usr/share/emacs/25.2/site-lisp/elpa/fsm-0.2.1/fsm /usr/share/emacs25/site-lisp/emacs-goodies-el/all hides /usr/share/emacs/25.2/site-lisp/elpa/company-0.9.4/all /usr/share/emacs25/site-lisp/emacs-goodies-el/htmlize hides /usr/share/emacs/25.2/site-lisp/elpa/htmlize-1.51/htmlize /usr/share/emacs/25.2/site-lisp/elpa/magit-2.11.0/magit-popup hides /usr/share/emacs/25.2/site-lisp/elpa/magit-popup-2.11.0/magit-popup /usr/share/emacs25/site-lisp/cmake-data/cmake-mode hides /usr/share/emacs/site-lisp/cmake-mode /usr/share/emacs/25.2/site-lisp/debian-startup hides 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/usr/share/emacs/25.2/site-lisp/elpa/seq-2.20/seq hides /usr/share/emacs/25.2/lisp/emacs-lisp/seq /usr/share/emacs25/site-lisp/auctex/prv-emacs hides /usr/share/emacs/site-lisp/auctex/prv-emacs /usr/share/emacs25/site-lisp/auctex/context-nl hides /usr/share/emacs/site-lisp/auctex/context-nl /usr/share/emacs25/site-lisp/auctex/tex-style hides /usr/share/emacs/site-lisp/auctex/tex-style /usr/share/emacs25/site-lisp/auctex/font-latex hides /usr/share/emacs/site-lisp/auctex/font-latex /usr/share/emacs25/site-lisp/auctex/tex-mik hides /usr/share/emacs/site-lisp/auctex/tex-mik /usr/share/emacs25/site-lisp/auctex/tex-bar hides /usr/share/emacs/site-lisp/auctex/tex-bar /usr/share/emacs25/site-lisp/auctex/tex hides /usr/share/emacs/site-lisp/auctex/tex /usr/share/emacs25/site-lisp/auctex/context-en hides /usr/share/emacs/site-lisp/auctex/context-en /usr/share/emacs25/site-lisp/auctex/tex-jp hides /usr/share/emacs/site-lisp/auctex/tex-jp /usr/share/emacs25/site-lisp/auctex/tex-font hides /usr/share/emacs/site-lisp/auctex/tex-font /usr/share/emacs25/site-lisp/auctex/tex-buf hides /usr/share/emacs/site-lisp/auctex/tex-buf /usr/share/emacs25/site-lisp/auctex/bib-cite hides /usr/share/emacs/site-lisp/auctex/bib-cite /usr/share/emacs25/site-lisp/auctex/tex-info hides /usr/share/emacs/site-lisp/auctex/tex-info /usr/share/emacs25/site-lisp/auctex/plain-tex hides /usr/share/emacs/site-lisp/auctex/plain-tex /usr/share/emacs25/site-lisp/auctex/texmathp hides /usr/share/emacs/site-lisp/auctex/texmathp /usr/share/emacs25/site-lisp/auctex/preview hides /usr/share/emacs/site-lisp/auctex/preview /usr/share/emacs25/site-lisp/auctex/tex-ispell hides /usr/share/emacs/site-lisp/auctex/tex-ispell /usr/share/emacs25/site-lisp/auctex/context hides /usr/share/emacs/site-lisp/auctex/context /usr/share/emacs25/site-lisp/auctex/tex-fold hides /usr/share/emacs/site-lisp/auctex/tex-fold /usr/share/emacs25/site-lisp/auctex/multi-prompt hides /usr/share/emacs/site-lisp/auctex/multi-prompt /usr/share/emacs25/site-lisp/auctex/toolbar-x hides /usr/share/emacs/site-lisp/auctex/toolbar-x /usr/share/emacs25/site-lisp/auctex/latex hides /usr/share/emacs/site-lisp/auctex/latex Features: (shadow emacsbug sh-script smie vc-git mm-archive cursor-sensor sendmail qp eieio-opt speedbar sb-image ezimage dframe sort company-oddmuse company-keywords company-etags company-gtags company-dabbrev-code company-dabbrev company-files company-capf company-cmake company-xcode company-clang company-semantic company-eclim company-template company-css company-nxml company-bbdb company mail-extr minibuffer-complete-cycle notmuch-jump counsel jka-compr esh-util etags xref project swiper ivy flx delsel ivy-overlay ffap url-parse url-vars notmuch hl-line notmuch-message notmuch-hello wid-edit notmuch-tree notmuch-show notmuch-print notmuch-crypto notmuch-mua notmuch-draft notmuch-maildir-fcc notmuch-address notmuch-company notmuch-parser notmuch-wash coolj notmuch-query goto-addr icalendar diary-lib diary-loaddefs notmuch-tag crm notmuch-lib notmuch-version notmuch-compat message dired rfc822 mml mailabbrev mail-utils gmm-utils mailheader mm-view mml-smime mml-sec epg smime dig mm-decode mm-bodies mm-encode mailcap mail-parse rfc2231 rfc2047 rfc2045 ietf-drums server indirect-region tempo edmacro kmacro org-notmuch org-element avl-tree org org-macro org-footnote org-pcomplete org-list org-faces org-entities org-version ob-emacs-lisp ob-python ob ob-tangle org-src ob-ref ob-lob ob-table ob-keys ob-exp ob-comint ob-core ob-eval org-compat org-macs org-loaddefs cal-menu calendar cal-loaddefs org-install vc vc-dispatcher circe-color-nicks color circe-chanop circe diff-mode lui-irc-colors irc make-tls-process tls gnutls lcs lui-format lui tracking shorten rx paren flyspell ispell circe-compat finder-inf muse-autoloads package epg-config debian-el debian-el-loaddefs haskell-mode-autoloads ido seq seq-25 ess-toolbar ess-mouse mouseme thingatpt browse-url ess-swv ess-noweb ess-noweb-font-lock-mode ess-bugs-l ess-sas-d ess-sas-l ess-sas-a ess-stata-mode ess-stata-lang cc-vars cc-defs make-regexp essd-els ess-sp6-d ess-dde ess-sp3-d ess-julia julia-mode ert pp find-func ewoc debug ess-r-mode ess-r-package ess-r-syntax ess-r-completion ess-roxy essddr ess-rd noutline outline hideshow ess-s-lang ess-help ess ess-mode ess-noweb-mode ess-inf ess-tracebug compile tramp tramp-compat auth-source cl-seq eieio byte-opt bytecomp byte-compile cl-extra cconv eieio-core gnus-util mm-util help-fns help-mode mail-prsvr password-cache tramp-loaddefs cl-macs trampver ucs-normalize shell pcomplete comint ansi-color ring format-spec advice ess-generics cl gv cl-loaddefs pcase cl-lib ess-custom executable easymenu ess-compat ess-utils time-date ess-site emacs-goodies-el emacs-goodies-custom emacs-goodies-loaddefs easy-mmode dpkg-dev-el dpkg-dev-el-loaddefs preview-latex tex-site auto-loads mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese charscript case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote dbusbind inotify dynamic-setting system-font-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 741135 49134) (symbols 48 43575 1) (miscs 40 1813 1716) (strings 32 127722 39337) (string-bytes 1 3642800) (vectors 16 74397) (vector-slots 8 2012893 165842) (floats 8 1001 347) (intervals 56 18520 0) (buffers 976 84))
Glenn Morris <rgm <at> gnu.org>
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(Wed, 03 Jan 2018 01:55:01 GMT) Full text and rfc822 format available.bug-gnu-emacs <at> gnu.org
:bug#29955
; Package emacs
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(Mon, 22 Jan 2018 19:59:01 GMT) Full text and rfc822 format available.Message #10 received at 29955 <at> debbugs.gnu.org (full text, mbox):
From: Glenn Morris <rgm <at> gnu.org> To: David Bremner <david <at> tethera.net> Cc: 29955 <at> debbugs.gnu.org Subject: Re: bug#29955: 25.2; stale lock files can hang emacs --batch Date: Mon, 22 Jan 2018 14:58:42 -0500
David Bremner wrote: > tempdir=$(mktemp -d) > echo working in $tempdir > cd $tempdir > touch foo > ln -s user <at> example.com.5423:1487632643 .#foo > emacs -Q --batch --eval "(add-hook 'kill-emacs-hook (lambda () (write-file \"foo\")))" Great recipe, thanks. I'd hoped this issue (which is the same as https://debbugs.gnu.org/22622, by the way) would have been fixed by http://lists.gnu.org/r/emacs-diffs/2017-04/msg00178.html but it sadly it seems not, for reasons not immediately apparent to me.
bug-gnu-emacs <at> gnu.org
:bug#29955
; Package emacs
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(Mon, 22 Jan 2018 21:16:02 GMT) Full text and rfc822 format available.Message #13 received at 29955 <at> debbugs.gnu.org (full text, mbox):
From: Glenn Morris <rgm <at> gnu.org> To: David Bremner <david <at> tethera.net> Cc: 29955 <at> debbugs.gnu.org Subject: Re: bug#29955: 25.2; stale lock files can hang emacs --batch Date: Mon, 22 Jan 2018 16:15:15 -0500
Glenn Morris wrote: > but it sadly it seems not, for reasons not immediately apparent to me. I note that this also hangs: emacs -Q --batch \ --eval "(add-hook 'kill-emacs-hook (lambda () (error \"foo\")))" so presumably there's a second issue at work here.
bug-gnu-emacs <at> gnu.org
:bug#29955
; Package emacs
.
(Mon, 22 Jan 2018 23:51:02 GMT) Full text and rfc822 format available.Message #16 received at 29955 <at> debbugs.gnu.org (full text, mbox):
From: Glenn Morris <rgm <at> gnu.org> To: David Bremner <david <at> tethera.net> Cc: 29955 <at> debbugs.gnu.org Subject: Re: bug#29955: 25.2; stale lock files can hang emacs --batch Date: Mon, 22 Jan 2018 18:50:02 -0500
Glenn Morris wrote: > I note that this also hangs: > > emacs -Q --batch \ > --eval "(add-hook 'kill-emacs-hook (lambda () (error \"foo\")))" This can be avoided by using safe_run_hooks for Qkill_emacs_hook in Fkill_emacs. Perhaps that's the right thing to do, if noninteractive? Would it be correct for interactive mode, too? As it stands, in interactive mode an error in kill-emacs-hook will stop Emacs from exiting. I'm not sure if that is a desirable feature or not...
Glenn Morris <rgm <at> gnu.org>
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(Wed, 24 Jan 2018 01:57:01 GMT) Full text and rfc822 format available.Glenn Morris <rgm <at> gnu.org>
:David Bremner <david <at> tethera.net>
:Message #23 received at 29955-done <at> debbugs.gnu.org (full text, mbox):
From: Glenn Morris <rgm <at> gnu.org> To: 29955-done <at> debbugs.gnu.org Subject: Re: bug#29955: 25.2; stale lock files can hang emacs --batch Date: Tue, 23 Jan 2018 20:59:37 -0500
Version: 27.1 I applied the following to master (though emacs-26 seems appropriate to me). Together with 28718c4, it should fix this issue. commit 109da68 Date: Tue Jan 23 20:55:09 2018 -0500 Avoid kill-emacs-hook errors hanging batch mode * src/emacs.c (Fkill_emacs): Prevent errors from kill-emacs-hook hanging Emacs in batch mode. (Bug#29955) diff --git a/src/emacs.c b/src/emacs.c index 84cd3ac..8ea61b7 100644 --- a/src/emacs.c +++ b/src/emacs.c @@ -2024,7 +2024,10 @@ all of which are called before Emacs is actually killed. */ /* Fsignal calls emacs_abort () if it sees that waiting_for_input is set. */ waiting_for_input = 0; - run_hook (Qkill_emacs_hook); + if (noninteractive) + safe_run_hooks (Qkill_emacs_hook); + else + run_hook (Qkill_emacs_hook); #ifdef HAVE_X_WINDOWS /* Transfer any clipboards we own to the clipboard manager. */
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(Wed, 21 Feb 2018 12:24:05 GMT) Full text and rfc822 format available.Glenn Morris <rgm <at> gnu.org>
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(Mon, 12 Nov 2018 19:05:01 GMT) Full text and rfc822 format available.Glenn Morris <rgm <at> gnu.org>
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(Mon, 12 Nov 2018 19:05:01 GMT) Full text and rfc822 format available.Debbugs Internal Request <help-debbugs <at> gnu.org>
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(Tue, 11 Dec 2018 12:24:04 GMT) Full text and rfc822 format available.
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